2458902987

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{278503}}^1$

素因数の和:278624

約数の個数: 20

約数和(自身を含む): 3706888240

約数和(自身を除く): 1247985253

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 278503, 835509, 2506527, 7519581, 22558743, 30356827, 91070481, 273211443, 819634329, 2458902987]

約数ペア:

[(1, 2458902987), (3, 819634329), (9, 273211443), (27, 91070481), (81, 30356827), (109, 22558743), (327, 7519581), (981, 2506527), (2943, 835509), (8829, 278503)]